(Click for brief bio and photo, or printable summary CV [2 pages] and full CV [9 pages]) 



 Professor, Friedman School of Nutrition Science and Policy
     and Adjunct Professor (by courtesy), Department of Economics
 Tufts University • 
150 Harrison Ave., room 140 • Boston, MA 02111
 Phone: 617.636.3751 • Fax: 617.636.3781
 Email:  •


Stanford University, PhD (1991) in Applied Economics at the Food Research Institute  
Yale University, BA (1984) in Economics and Political Science
Deep Springs College (1979-81), course credits transferred


Tufts University (July 2010 – present), Friedman School of Nutrition Science and Policy, Professor (from 7/10) and Chair (7/11-8/14)  for the Department of Food and Nutrition Policy, responsible for academic leadership of multidisciplinary graduate programs involving 18 faculty and about 150 students per year.

Purdue University (December 1991 – June 2010), Department of Agricultural Economics, Associate Head (2/07-6/10) and Professor (4/02-6/10), previously Associate Professor (7/96-4/02) and Assistant Professor (12/91-7/96), with increasing responsibilities over graduate and undergraduate programs.

Columbia University (September 2003-August 2004), The Earth Institute Visiting Professor, School of International and Public Affairs and Interim Executive Director, Center on Globalization and Sustainable Development. Led a diversified social-science research program of 8 staff and 20 affiliated faculty.

Harvard University (January – December 2000), Kennedy School of Government Visiting Scholar, Center for International Development.

Stanford University (1985-1991), Graduate Fellow, Teaching and Research Assistant in the Food Research Institute

University of Zimbabwe, Harare, Zimbabwe (1988-1990), Research Associate and part-time lecturer


AAEA Publication of Enduring Quality Award (2014)
AAEA Bruce Gardner Memorial Prize for Applied Policy Analysis (2013)
International Fellow of the African Agricultural Economics Association (2010)
Fulbright Dissertation Research Grant (1988-90); Stanford Graduate Fellowship (1985-88)
Harry S. Truman Scholarship (1981)


External member, IFPRI Institutional Review Board, 2015-18
Editorial Board,
Global Food Security, 2014-present
Member, Sustainable Agriculture and Food Systems thematic group, UN SDSN, 2013-present
Member and Chair, Communications and Publications Ctee., AAEA, 2012-15
Member and Chair, Food Safety and Nutrition Section, AAEA, 2011-present
Co-Editor, Agricultural Economics, 2007-2011 (with Gerald Shively)
Board of Trustees, Deep Springs College, 2002-2011 (chair, Academic Affairs ctee.)


Native English, fluent French, some Spanish



Principal investigator or co-PI on over $10 million in grants and projects since 1988, from USAID, the World Bank, DFID and other funding agencies.




Economics of Agricultural Development (3rd ed. 2014), with George Norton and Jeffrey Alwang.  New York: Routledge. (See review of 1st ed. in ERAE).

Distortions to Agricultural Incentives in Africa (2009), with Kym Anderson (eds.). Washington DC: The World Bank.


Agricultural policy for improved nutrition in Africa and Asia: Evidence to guide the US Government’s investments in food security” (2015), with J. Oehmke et al., Food Security, forthcoming. [DOI] [preprint]

Agriculture, Transportation and the Timing of Urbanization: Global Analysis at the Grid Cell Level” (2014), with M. Motamed and R.J.G.F. Florax, Journal of Economic Growth, 19(3, Sept.): 339-368.  [preprint]

Disease Control, Demographic Change and Institutional Development in Africa” (2014), with M. McMillan and H. Kazianga, Journal of Development Economics, 110: 313-26. [preprint]

Agriculture, nutrition, and health in global development: typology and metrics for integrated interventions and research” (2014), with P. Webb, J. Griffiths and R. Deckelbaum, Annals of the New York Academy of Sciences, 2(1): forthcoming [preprint]

Measuring the impacts of Malawi’s farm input subsidy programme” (2014), with C. Chibwana, G. Shively, M. Fisher and C. Jumbe, African Journal of Agricultural and Resource Economics, 9(2): 132-147. [article]

Urbanization and Farm Size in Asia and Africa: Implications for Food Security and Agricultural Research” (2013), Global Food Security, 2(3), 156-165. [preprint]

Does Child Undernutrition Persist Despite Poverty Reduction in Developing Countries? Quantile Regression Results” (2012), with Stephen A. Block and Priya Bhagowalia,  Journal of Development Studies, 48(2): 1699-1715. [preprint]

Effects and Determinants of Mild Underweight among Preschool Children across Countries and Over Time” (2011), with Priya Bhagowalia and Susan Chen.  Economics and Human Biology 9(1, January): 66-77.

“Entry into Winner-Take-All and Proportional-Prize Contests: An Experimental Study” (2010), with Tim Cason and Roman Sheremeta. Journal of Public Economics 94(9-10, October): 604-611.

The Role of Leadership in Democratic Deliberations: Results from a Field Experiment in Sao Tome and Príncipe”(2006), with Macartan Humphreys and Martin Sandbu, World Politics  58(4): 583-622.

“Research Prizes:  A New Kind of Incentive for Innovation in African Agriculture” (2005), International Journal of Biotechnology 7(1/2/3): 195-211.

“Investing in Soils: Field Bunds and Microcatchments in Burkina Faso” (2002), with Harounan Kazianga, Environment and Development Economics, 7(3): 571-591.

“Welfare Gains from Quality Certification of Infant Foods: Results from a Market Experiment in Mali” (2002), with Diakalia Sanogo, American Journal of Agricultural Economics, 84(4): 974-989.

“Climate and Scale in Economic Growth” (2001), with Margaret S. McMillan, Journal of Economic Growth, 6(3): 167-186.


Child Nutrition in Economic Development”, in C.P. Duggan, J.B. Watkins, B. Koletzko and W.A. Walker, eds., Nutrition in Pediatrics, 5th ed.  Shelton, CT: PMPH-USA, forthcoming.

Transformational Incentives for Innovation and Aid Effectiveness: Pull Mechanisms, Contests, and Prizes,” in R. Shah and S. Radelet, eds., Frontiers in DevelopmentWashington, DC: USAID, May 2012, pages 196-200.

 “Economic Development, Government Policies and Food Consumption”, chapter 14 in Jayson Lusk, Jutta Roosen and Jason Shogren, eds., Oxford Handbook on the Economics of Food Consumption and Policy, 2011.